| 单词 | arc |
| 释义 | arc[ɑ:k]n. 弧, 弧形, 弓形, 弧光【化】 弧【医】 弧, 弓 arc arc AHD: [ärk] D.J. [$8k]K.K. [$rk]n.（名词）1. Something shaped like a curve or an arch:拱形物：形状类似曲线或拱的物体：the vivid arc of a rainbow.彩虹清晰的拱2. Mathematics A segment of a circle.【数学】 弧：圆周的一段3. Electricity A luminous discharge of current that is formed when a strong current jumps a gap in a circuit or between two electrodes.【电学】 电弧，弧光：当强电流在回路裂缝或两电极间跃升时形成的辉光放电4. Astronomy The apparent path of a celestial body as it rises above and falls below the horizon.【天文学】 周日弧，夜间弧：天体升起或落下地平线时的明显路径v.intr.（不及物动词） arced 或 arcked [ärkt] arc.ing 或 arck.ing [är“k¹ng] arcs 1. To form an arc.形成拱状物2. To move or seem to move in a curved path:循弧线行进：在弯曲的路往上运动或好象在运动：the stars that arc across the sky.在天空中弧形运动的星语源:1. Middle English ark 中古英语 ark 2. from Old French arc 源自 古法语 arc 3. from Latin arcus 源自 拉丁语 arcus ARC 1 ARC 1 AHD: [ärk] D.J. [$8k]K.K. [$rk]n.（名词）A combination of symptoms, including fever, lymphadenopathy, blood abnormalities, and susceptibility to opportunistic infections. The complex was first considered to be a precursor to AIDS, but it is now thought of as a milder form of the disease.综合症状：综合症状，包括发烧、皮质淋巴病、血液异常及对可能感染的易感性。最初这种综合症被视作爱滋病的前兆，但现在认为是这种病的较温和的一种形式语源:A(IDS)-r(elated) c(omplex) A(IDS)-r(elated) c(omplex) ARC 2 ARC 2 abbr.（略语）American Red Cross.美国红十字会 |
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